With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cbQosTSStatsDropPkt64
Cisco Class Based Qos Traffic-Shaping Statistics Dropped Pkt64
1.3.6.1.4.1.9.9.166.1.19.1.1.12
This object represents the 64 bits counter of packets that have been dropped during shaping.
Back to CISCO-CLASS-BASED-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor cbQosTSStatsDropPkt64 on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.